Onboard the US Navy (USN) Aircraft Carrier USS HARRRY S. TRUMAN (CVN 75), sailors assigned to the aviation ordnance crew, use munitions trailers to position GBU-31 1000-pound Joint Direct Attack Munitions (JDAM) on deck. The Truman and Carrier Air Wing 3 (CVW-3) currently on a six-month deployment in support of Operation IRAQI FREEDOM